IPAC2015 - List of Authors (Passi, D.)

Paper	Title	Page
MOPHA053	Radiation Measurements of a Medical Particle Accelerator Through a Passive Resonant Cavity	917
	A. Leggieri, F. Di Paolo, D. Passi Università degli Studi di Roma "Tor Vergata", Roma, Italy A. Ciccotelli, S. De Stefano, G. Felici, F. Marangoni S.I.T., Aprilia, Italy
	Beam monitoring system are required by technical standards for the real time measurement of the dose delivered to the target while the beam is crossing them * . Traditional beam current monitoring systems are based on ionization chambers and requires high voltage biases * **. This study investigates on the measurements of the electron beam current emitted by a medical electron linear accelerator using the power exchange of the beam current with a passive resonant cavity *** placed at the output interface of the accelerator. The cavity is magnetically coupled with a coaxial transmission line loaded on a microwave envelope detector and its output signal has been documented while receiving several electron currents. This paper shows the complete equivalency, in terms of global performance, of the current revelation performed by exploiting the cavity-beam interaction principle with the classical technology, based on ionization chambers, however without need of high voltage. The most important point is that the resonant cavity system, by measuring the beam current, gives a direct measurement of a physical observable quantity directly related with the dose deposed by the beam. * EN 60601-2-1, 2009. A.P. Turner, 1979. * V.L. Uvarov, 1997. ** M. Ruf∗, 2014. *** J.B. Rosenzweig, 2003
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-MOPHA053
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Paper

Title

Page

Radiation Measurements of a Medical Particle Accelerator Through a Passive Resonant Cavity

917

A. Leggieri, F. Di Paolo, D. Passi
Università degli Studi di Roma "Tor Vergata", Roma, Italy
A. Ciccotelli, S. De Stefano, G. Felici, F. Marangoni
S.I.T., Aprilia, Italy

Beam monitoring system are required by technical standards for the real time measurement of the dose delivered to the target while the beam is crossing them * **. Traditional beam current monitoring systems are based on ionization chambers and requires high voltage biases *** ****. This study investigates on the measurements of the electron beam current emitted by a medical electron linear accelerator using the power exchange of the beam current with a passive resonant cavity ***** placed at the output interface of the accelerator. The cavity is magnetically coupled with a coaxial transmission line loaded on a microwave envelope detector and its output signal has been documented while receiving several electron currents. This paper shows the complete equivalency, in terms of global performance, of the current revelation performed by exploiting the cavity-beam interaction principle with the classical technology, based on ionization chambers, however without need of high voltage. The most important point is that the resonant cavity system, by measuring the beam current, gives a direct measurement of a physical observable quantity directly related with the dose deposed by the beam.
* EN 60601-2-1, 2009.
** A.P. Turner, 1979.
*** V.L. Uvarov, 1997.
**** M. Ruf∗, 2014.
***** J.B. Rosenzweig, 2003

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-MOPHA053

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)